TimkenL217847-0Tapered Roller Bearing Cone — 3.4375 in (87.313 mm) Bore, 0.8125 in (20.638 mm) Width, Class 0 Precision

Product Description

What this part is:

Timken L217847-0 is an inch tapered roller bearing cone, the inner ring with its rollers and cage, made to Timken precision Class 0. Bore Diameter: 3.4375 in (87.313 mm). Inner Ring Width: 0.8125 in (20.638 mm). Precision Class: Class 0. Bore Type: Straight. Rolling Elements: Tapered Roller.

Decoding the designation:

L217847 — Timken inch-series cone in the L217800 series. L marks the light section.

-0 — Timken precision Class 0, a tighter tolerance grade than standard Class 2 and precision Class 3, used on machine-tool spindles and other applications needing very low runout.

Mounting data:

Max Shaft Fillet Radius: 0.060 in (1.5 mm). Shaft Backing Shoulder Diameter, Frontface (da): 3.66 in (93 mm). Shaft Backing Shoulder Diameter, Backface (db): 3.78 in (96 mm). Effective Center Location: 0 in (0 mm).

Quantity and configuration:

Matching cups: Timken L217810 and L217813 for single-row service; L217810DE double cup and assembly L217847-90060 for two-row service.

Interchange guidance:

L217847 is an ABMA standard inch cone size also produced by SKF, NTN (4T-L217847), Koyo and Bower. Class 0 is a Timken precision grade; standard-class equivalents share the envelope.